PT-2026-42828 · Unknown · Pcmanfm-Qt

Published 2026-05-22 · Updated 2026-05-26 · CVE-2026-48700

Positive Technologies (AI Summary)

CVSS v4.0

9.3

Critical

Base vector

AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:N/R:I/V:D/RE:M/U:Clear

Name of the Vulnerable Software and Affected Versions PCManFM-Qt versions 1.1.0 and later

Description An issue exists where PCManFM-Qt delegates to a different program based on file type without user confirmation when a regular file path is passed as a URI in the 'org.freedesktop.FileManager1.ShowFolders' D-Bus method call. This behavior can be leveraged to achieve code execution or bypass network namespace restrictions.

Exploit

Fix

Weakness Enumeration

CWE-913

Related Identifiers

CVE-2026-48700

Affected Products

Pcmanfm-Qt

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48700.json · Exploit
• https://ubuntu.com/security/CVE-2026-48700 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-48700 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-48700 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-48700 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-48700 · Security Note
• https://osv.dev/vulnerability/CVE-2026-48700 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-48700 · Vendor Advisory
• https://github.com/lxqt/pcmanfm-qt/releases · Note
• https://github.com/lxqt/pcmanfm-qt · Note
• https://reddit.com/r/Network/comments/1tnvomo/threat_intel_may_22_2026_vulnerability · Reddit Post
• https://t.me/CVEtracker/54660 · Telegram Post
• https://twitter.com/CVEnew/status/2058155795603476702 · Twitter Post
• https://openwall.com/lists/oss-security/2026/05/20/2 · Note
• http://openwall.com/lists/oss-security/2026/05/24/6 · Note